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<?php |
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/** |
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* huppel konijntje huppel and wiebel |
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* Hommage to Grace Hopper, programmer & expert in *litteral* duck taping |
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***/ |
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namespace HexMakina\Hopper; |
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class Hopper extends \AltoRouter implements RouterInterface |
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{ |
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private $match = null; |
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private $file_root = null; |
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//----------------------------------------------------------- INITIALISATION |
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public function mapHomeRoute($route) |
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{ |
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$this->map(self::REQUEST_GET, '', $route, self::ROUTE_HOME_NAME); |
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} |
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public function __debugInfo(): array |
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{ |
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$dbg = get_object_vars($this); |
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$dbg['routes'] = count($dbg['routes']); |
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$dbg['namedRoutes'] = count($dbg['namedRoutes']); |
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unset($dbg['matchTypes']); |
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return $dbg; |
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} |
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// -- MATCHING REQUESTS |
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public function match($requestUrl = null, $requestMethod = null) |
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{ |
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$this->match = parent::match($requestUrl, $requestMethod); |
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if ($this->match === false) { |
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throw new RouterException('ROUTE_MATCH_FALSE'); |
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} |
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$res = explode('::', $this->target()); |
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if ($res === false || !isset($res[1]) || isset($res[2])) { |
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throw new RouterException('INVALID_TARGET_FORMAT'); |
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} |
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$this->match['target_controller'] = $res[0]; |
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$this->match['target_method'] = $res[1]; |
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return [$res[0], $res[1]]; |
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} |
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public function params($param_name = null) |
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{ |
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return $this->extractFrom($this->match['params'] ?? [], $param_name); |
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} |
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public function submitted($param_name = null) |
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{ |
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return $this->extractFrom($_POST, $param_name); |
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} |
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public function target() |
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{ |
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return $this->match['target']; |
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} |
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public function targetController() |
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{ |
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return $this->match['target_controller']; |
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} |
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public function targetMethod() |
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{ |
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return $this->match['target_method']; |
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} |
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public function name() |
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{ |
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return $this->match['name']; |
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} |
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// -- ROUTING TOOLS |
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public function routeExists($route): bool |
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{ |
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return isset($this->namedRoutes[$route]); |
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} |
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public function namedRoutes() |
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{ |
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return $this->namedRoutes; |
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} |
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/* Generates HYPertext reference |
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* @param route_name string requires |
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* - a valid AltoRouter route name |
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* - OR a Descendant of Model |
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* @route_params requires |
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* - an assoc_array of url params (strongly AltoRouter-based) |
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* returns: something to put in a href="", action="" or header('Location:'); |
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*/ |
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public function hyp($route, $route_params = []) |
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{ |
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try { |
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$url = $this->generate($route, $route_params); |
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} catch (\Exception $e) { |
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$url = $this->hyp(self::ROUTE_HOME_NAME); |
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} |
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return $url; |
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} |
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/* |
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* @params $route is |
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* - empty: default is ROUTE_HOME_NAME |
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* - an existing route name: make url with optional [$route_params]) |
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* - a url, go there |
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* @params $route_params, assoc_data for url creation (i:id, a:format, ..) |
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*/ |
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public function hop($route = null, $route_params = []) |
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{ |
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$url = null; |
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if (is_null($route)) { |
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$url = $this->hyp(self::ROUTE_HOME_NAME, $route_params); |
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} elseif (is_string($route) && $this->routeExists($route)) { |
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$url = $this->hyp($route, $route_params); |
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} else { |
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$url = $route; |
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} |
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$this->hopURL($url); |
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} |
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public function stay($url = null) |
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{ |
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return $url ?? $_SERVER['REQUEST_URI']; |
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} |
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// hops back to previous page (referer()), or home if no referer |
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public function hopBack() |
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{ |
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if (!is_null($back = $this->referer())) { |
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$this->hopURL($back); |
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} |
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$this->hop(); |
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} |
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public function hopURL($url) |
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{ |
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header('Cache-Control: no-cache, must-revalidate'); |
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header('Expires: Mon, 01 Jan 1970 00:00:00 GMT'); |
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header('Location: ' . $url); |
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exit(); |
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} |
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// returns full URL of the refering URL |
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// returns null if same as current URL (prevents endless redirection loop) |
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public function referer() |
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{ |
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if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] != $this->webHost() . $_SERVER['REQUEST_URI']) { |
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return $_SERVER['HTTP_REFERER']; |
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} |
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return null; |
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} |
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public function sendFile($file_path) |
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{ |
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if (!file_exists($file_path)) { |
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throw new RouterException('SENDING_NON_EXISTING_FILE'); |
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} |
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$file_name = basename($file_path); |
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//Get file type and set it as Content Type |
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$finfo = finfo_open(FILEINFO_MIME_TYPE); |
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header('Content-Type: ' . finfo_file($finfo, $file_path)); |
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finfo_close($finfo); |
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//Use Content-Disposition: attachment to specify the filename |
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header('Content-Disposition: attachment; filename=' . $file_name); |
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//No cache |
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header('Expires: 0'); |
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header('Cache-Control: must-revalidate'); |
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header('Pragma: public'); |
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//Define file size |
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header('Content-Length: ' . filesize($file_path)); |
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ob_clean(); |
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flush(); |
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readfile($file_path); |
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// die; // might be useless after all |
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} |
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// -- PROCESSING REQUESTS |
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public function requests(): bool |
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{ |
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return $_SERVER['REQUEST_METHOD'] === self::REQUEST_GET; |
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} |
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public function submits(): bool |
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{ |
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return $_SERVER['REQUEST_METHOD'] === self::REQUEST_POST; |
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} |
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public function webHost(): string |
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{ |
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return $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['HTTP_HOST']; |
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} |
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public function webRoot(): string |
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{ |
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return $this->webHost() . $this->basePath(); |
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} |
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// return web base |
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public function basePath($setter = null): string |
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{ |
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if (!is_null($setter)) { |
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$this->basePath = $setter; |
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} |
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return $this->basePath ?? ''; |
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} |
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// returns root filepath for project |
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// default out of vendor/hexmakina/Hopper |
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public function filePath($setter = null): string |
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{ |
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if (!is_null($setter)) { |
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$this->file_root = realpath($setter) . '/'; |
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} |
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return $this->file_root ?? __DIR__ . '/../../'; |
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} |
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private function extractFrom($dat_ass, $key = null) |
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{ |
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// $key is null, returns $dat_ass or empty array |
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if (is_null($key)) { |
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return $dat_ass ?? []; |
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} |
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// $dat_ass[$key] not set, returns null |
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if (!isset($dat_ass[$key])) { |
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return null; |
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} |
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// $dat_ass[$key] is a string, returns decoded value |
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if (is_string($dat_ass[$key])) { |
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return urldecode($dat_ass[$key]); |
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} |
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// $dat_ass[$key] is not a string, return match[$key] |
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return $dat_ass[$key]; |
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} |
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} |
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